:root {
    --bg-main: #0b141a;
    --bg-surface: #111b21;
    --bg-card: #1f2c34;
    --bg-card-hover: #263843;
    --primary: #00a884;
    --primary-hover: #02906f;
    --text-primary: #e9edef;
    --text-secondary: #8696a0;
    --border: #222d34;
    --accent: #25d366;
    --radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

.section-container, .nav-container, .hero-container, .footer-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    background: rgba(17, 27, 33, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-text span {
    color: var(--primary);
    font-weight: 500;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.88rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
    padding: 16px;
    font-size: 1.05rem;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    border: none;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 168, 132, 0.3);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

/* Hero */
.hero {
    padding: 100px 0 80px;
    text-align: center;
    background: radial-gradient(circle at 50% 20%, rgba(0, 168, 132, 0.12) 0%, transparent 60%);
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(0, 168, 132, 0.15);
    color: var(--primary);
    border: 1px solid rgba(0, 168, 132, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 36px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 28px;
}

.hero-guarantee {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

/* Sections */
section {
    padding: 90px 0;
    border-top: 1px solid var(--border);
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 56px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 24px;
}

.use-cases-section {
    padding: 90px 0;
    background: #0d151a;
    border-bottom: 1px solid var(--border);
}

.card-tag {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 20px;
    background: rgba(0, 168, 132, 0.12);
    color: var(--primary);
    border: 1px solid rgba(0, 168, 132, 0.3);
    margin-bottom: 14px;
}

.card-tag.cyan {
    background: rgba(83, 189, 235, 0.12);
    color: #53bdeb;
    border-color: rgba(83, 189, 235, 0.3);
}

.card-tag.amber {
    background: rgba(241, 179, 66, 0.12);
    color: #f1b342;
    border-color: rgba(241, 179, 66, 0.3);
}

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.2s ease;
}

.card:hover {
    border-color: rgba(0, 168, 132, 0.4);
    transform: translateY(-2px);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

code {
    font-family: 'JetBrains Mono', monospace;
    background: #182229;
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--primary);
    font-size: 0.88em;
}

/* Steps */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.step-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
}

.step-number {
    width: 44px;
    height: 44px;
    line-height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    font-weight: 700;
    margin: 0 auto 18px;
}

/* Pricing */
.pricing-section {
    background: radial-gradient(circle at 50% 50%, rgba(0, 168, 132, 0.08) 0%, transparent 60%);
}

.pricing-card {
    max-width: 480px;
    margin: 0 auto;
    background: var(--bg-surface);
    border: 2px solid var(--primary);
    border-radius: 16px;
    padding: 40px 36px;
    text-align: center;
    position: relative;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    padding: 4px 14px;
    border-radius: 20px;
}

.pricing-plan {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.price {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 12px;
}

.price .currency {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.price .amount {
    font-size: 3.6rem;
    font-weight: 800;
    line-height: 1;
}

.price .period {
    color: var(--text-secondary);
    font-size: 1rem;
}

.pricing-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.95rem;
}

.pricing-footer {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 14px;
}

.trial-divider {
    position: relative;
    text-align: center;
    margin: 22px 0 16px;
}

.trial-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border);
}

.trial-divider span {
    position: relative;
    background: var(--bg-surface);
    padding: 0 12px;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

/* FAQ */
.faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.faq-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.faq-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Footer */
.footer {
    background: #080f13;
    padding: 60px 0 30px;
    border-top: 1px solid var(--border);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-top: 6px;
}

.footer-links {
    display: flex;
    gap: 24px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 24px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .hero-cta { flex-direction: column; }
    .steps-grid { grid-template-columns: 1fr; }
    .footer-top { flex-direction: column; gap: 24px; }
}